Disk inflammation

• Fever
• Irritability
• Back pain
• Stiffness in back
• Increased lordosis
• Refusal to walk (younger child)
• Abdominal pain

• X-ray of the lumbosacral spine (may show narrow disk space or abnormalities of the vertebral bodies)
• MRI of the spine (may show inflammation of the disk space)
• Bone scan (usually shows increased uptake in the region of inflammation)
• CBC (shows elevated white blood cells)
• ESR (elevated, test for inflammation)